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24 Metro Ethernet Routing Switch 8600 modules
•
All modules installed in the chassis must minimally support 128 000
table entries. M modules (8632TXM, 8648TXM, 8608GBM, 8608GTM,
8683POSM, 8672ATME, 8672ATMM, 8681XLR, and 8681XLW
modules) support 128 000 table entries.
•
M mode must be enabled.
If you enable M mode and one or more of the modules installed in the
chassis is an E module (32 000 table entries), the E modules become
disabled. This protects the system forwarding tables from losing entries.
For information about enabling or disabling M mode, see Managing
Platform Operations (315545-E).
If your system has M modules, E modules, or pre-E modules, see Managing
Platform Operations (315545-E) for information about how to configure the
switch to boot in the desired mode.
R mode configuration requirements
R mode supports the Metro Ethernet Routing Switch 8600 R module feature
set. Full support of R mode requires the following configuration conditions:
•
The system must include only R modules. You can have a system with a
mix of R, M, E, or pre-E modules configured in R mode. However, the M,
E, or pre-E modules are not enabled. For information about configuring
R modules in R mode, see Managing Platform Operations (315545-E).
•
The system must include at least one 8692omSF CPU module.
R modules do not boot with the 8691omSF CPU module.
•
R modules require Metro Ethernet Routing Switch 8600 Release 4.0
or later.
•
R mode must be enabled. For information about enabling R mode, see
Managing Platform Operations (315545-E).
If the system is currently in default mode or M mode with CPU/SF 1 as
the master and CPU/SF 2 as the standby, and you enable R mode on
CPU/SF 1, save the configuration and reboot, CPU/SF 2 comes up as
the master and CPU/SF 1 as the standby. If you then enable R mode
on the new master (CPU/SF 2), the standby (CPU/SF 1) goes offline
and remains offline.
For information about how to configure QoS, Filters, Policing, and Shaping
on R modules, see Nortel Metro Ethernet Routing Switch 8600 Configuration
— QoS and Traffic Filters (NN46220-508).
Nortel Metro Ethernet Routing Switch 8600
Installation — Modules
NN46220-306 02.02 Standard
4.2 7 July 2008
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.